Jeweler&#39;s blast-lamp.



No. 680,92I. Patented Aug. 20, |90I.

` E. S. HUGHTUN.

JEWELERS BLAST LAMP.

(Application led June 13, 1901,) (No Model.)

hmm-min EDWIN s. Ho

H 05 ATTOHNEYS Fna me Ncnms Firms cn.. wow-Luna.. wAsnmr-TDN. D. c.

nTNESSE;

llnrrnn @trarne linrnn'fr ritten.

EDWIN S. I-IOUGHTON, OF BRAINERD, MINNESOTA.

J EWJELIERSS BLASTd-LAEl/l P.

SPECIFICATIGN forming part of Letters Patent No. 680,921, dated August20, 190i..

Application filed June 13,1901.

T0 ctZZ whom it may concern: Y

Beit known that 1, EDWIN S. Houenron, of Brainerd, Grow Vin gcounty,Minnesota, have invented certain new and useful Improvements inJewelers Blast-Lamps, of which the following is a specification.

This invention relates to improvements in lamps designed especially forjewelers use and by means of which it is desired to produce an intenseheat, such as is required for the purpose of soldering or working goldand other refractory metals;

The invention consists generally in the constructions and combinationshereinafter described, and particularly pointed out in the claims.

In the drawings, Figure 1 is a plan View of a lamp embodying myinvention, and Fig. 2 is a central vertical section of the same online0c x' of Fig. 1.

In the drawings, 2 represents a suitable reservoir of any preferred sizeand shape. This reservoir is provided with a cap 3, having extendingvertically therefrom the tubes 4, 5, and 6. The tubes 4 and 6 are ofsubstantially the same height and are each open at their upper and lowerends. The tube 5 is open at its lower end and at a point near its upperend is provided with a diaphragm 7, having an aperture or opening Stherein. Above the diaphragm 7 is a small drum 9, having an aperture 10in one of its side walls directly above the tube 4. Wicks 11, 12, and 13are placed in the tubes 4, 5, and 6. A shield 14 is arranged on the cap3 and extends to the top of the tube 5. This shield consists of two sidewalls, the upper ends of which are practically on a level with the topof the tube 5 and the opposite portions of which are inclined tosubstantially the height of the tube G. Y The walls of the shield 14,extending above the tube 4 and to the top of the tube 5, prevent anycurrents of air from interfering with the steadiness of the flameproduced by the lamp.

The operation of the device is as follows: The wicks 11 and 13 arelighted, and the alcohol or other hydrocarbon placed in the reservoirsupplies the necessary fuel for a flame from each of said wicks. Thetube 5 and the drum 9 being heated, the hycrocarbon, which is taken upby the wick 12, is vaporized and Serial No. 645366. (No model.)

flame from the wick 11, and thereby a very i intense heat is produced,capable of use forI all purposes required by a jeweler, such assoldering or working gold or other metals.V The iiame from both of thewicks 11 and 13 serves to heat the tube 5 and dome 9, and while theflame from the wick 13 is only for the purpose of heating this tube anddome the' flame from the wick 11 mingles with the vavor from the domeand assists in producing the intense heat required. As the shield 14extends above the point Where the vapor meets the flame from the wick11, the air-cur; rents are prevented from interfering with the properaction of the lamp, and thereby a per; fectly steady flame of intenseheat is secured.

I claim as my invention* 1. The combination, with the reservoir 2, ofthe cap 3 arranged thereon and provided with the three tubes 4, 5 and 6,the tube 5 being arranged between the tubes 4 and 6 and provided at itsupper end with the diaphragm 7 having the oriice 8, the dome 9 arrangedabove said diaphragm and provided with the orilice 10 in its side wallabove the tube 4, and suitable wicks arranged in said tubes 4, 5 and 6,for the purpose set forth.

2. The combination, with the reservoir 2, of the cap 3 arranged thereonand provided with the three tubes 4, 5 and 6, the tube 5 being arrangedbetween the tubes 4 and 6 and provided at its upper end with thediaphragm 7 having the orifice 8, the dome 9 arranged above saiddiaphragm and provided with the orifice 10 in its side wall above Vthetube 4, suitable wicks arranged in said tubes, and the shield 14 havingparallel side walls extending above the tube 14 and substantially to thetop of the tube 5, as and for the purpose set forth.

In testimony whereof I have hereunto set my hand, at Minneapolis,Minnesota, this 4th day of June, 1901.

EDWIN S. HOUGHTON.

In presence 0f- R. G'. VALLENTYNE, J. M. ELDER.

